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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I had a problem geting a penetrator to take my thirty six volt cabling I asked for a quote for cable which was 175 amps rated and got a reply of over two thousand pounds in the end I made my own by buying a stainless flexible pipe and threaded the cable through this worked and my motor runs fine. I am using a LMC motor rated for 12 to 72 volts this is a small compact motor which produces a lot of power.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Re4gards <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Graham<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></a></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b>On Behalf Of </b>Alan James via Personal_Submersibles<br><b>Sent:</b> 30 October 2014 09:26<br><b>To:</b> Personal Submersibles General Discussion<br><b>Subject:</b> Re: [PSUBS-MAILIST] (no subject)<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Hi Tim,<o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>I am trying to make up my own brushless thruster.<o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>About 90% of the thruster manufacturers use brushless motors,<o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>however the cheapest price I've found is about $3,500 for thruster<o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>kort nozzle & controller. This seems axcessive as I can buy a 1500W<o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>brushless motor & controller for round $100-. It's just a matter of tracking down <o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>the right motor. I am trying to find something around 1500W but with revs of less than<o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>3000 rpm. Adding a gear box to get the propeller shaft revs down is an option I<o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>am hoping to avoid.<o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Also the voltage needs to be up near 48V to reduce the amps. <o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>There seems to be a problem getting hold of ready made electrial penetraters <o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>suitable for high amps.<o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5053"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Cheers Alan<o:p></o:p></span></p></div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p><div id="yui_3_16_0_1_1414642962771_5057"><div id="yui_3_16_0_1_1414642962771_5056"><div id="yui_3_16_0_1_1414642962771_5055"><div class=MsoNormal align=center style='text-align:center;background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><hr size=1 width="100%" align=center></span></div><p class=MsoNormal style='background:white'><b id="yui_3_16_0_1_1414642962771_5059"><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> T Novak via Pers-onal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br><b id="yui_3_16_0_1_1414642962771_5431">To:</b> 'Personal Submersibles General Discussion' <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <br><b id="yui_3_16_0_1_1414642962771_5442">Sent:</b> Thursday, October 30, 2014 2:46 PM<br><b id="yui_3_16_0_1_1414642962771_5174">Subject:</b> Re: [PSUBS-MAILIST] (no subject)</span><span style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5061"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p><div id=yiv0660100292><div id="yui_3_16_0_1_1414642962771_5064"><div id="yui_3_16_0_1_1414642962771_5063"><div id="yui_3_16_0_1_1414642962771_5062"><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'>Alan,</span><span style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5167"><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'> </span><span style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5066"><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'>Any luck with marine bow thrusters? They are around 1500 watts, 12 volts, and come in a sealed, but not pressurized, housing.</span><span style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5067"><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'> </span><span style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5068"><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'>Tim</span><span style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5069"><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'> </span><span style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><div id=yiv0660100292yqt25931><div id="yui_3_16_0_1_1414642962771_5073"><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm' id="yui_3_16_0_1_1414642962771_5072"><div id="yui_3_16_0_1_1414642962771_5071"><p class=MsoNormal style='background:white'><b><span lang=EN-US style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Helvetica","sans-serif";color:black'> Personal_Submersibles [<a href="mailto:personal_submersibles-bounces@psubs.org">mailto:personal_submersibles-bounces@psubs.org</a>] <b>On Behalf Of </b>Alan James via Personal_Submersibles<br><b>Sent:</b> October-27-14 9:36 PM<br><b>To:</b> Personal Submersibles General Discussion<br><b>Subject:</b> Re: [PSUBS-MAILIST] (no subject)</span><span style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div></div></div><div id="yui_3_16_0_1_1414642962771_5074"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'> <o:p></o:p></span></p></div><div id="yui_3_16_0_1_1414642962771_5076"><div id="yiv0660100292yui_3_16_0_1_1414470128018_4824"><div id="yui_3_16_0_1_1414642962771_5075"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Ken,<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4286"><div id="yui_3_16_0_1_1414642962771_5078"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>haven't heard from you for a while.<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4280"><div id="yui_3_16_0_1_1414642962771_5080"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>I am trying to track down a suitable DC brushless motor around 1500W for a thruster.<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4282"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Preferably I don't want to gear it down, so I need an output speed of less than 3000rpm.<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4283"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>The only brushless motors I can find with low rpm are the RC outrunner motors that<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4283"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>you might find at Hobby King. I am looking at playing round with a larger motor &<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4283"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>running it at 1/2 it's maximum voltage. They seem so small compared to their brushed<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4283"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>counterpart that I don't think I will be disadvantaged size wise by doing this.<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4283"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Most of these motors seem to be low voltage, high amps, & I would prefer something operating<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4283"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>on around 48V. <o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4283"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Any words of wisdom or product recommendation here thanks.<o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4283"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Alan<o:p></o:p></span></p></div></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'> <o:p></o:p></span></p></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_4561"><div id="yiv0660100292yui_3_16_0_1_1414470128018_4560"><div id="yiv0660100292yui_3_16_0_1_1414470128018_4559"><div class=MsoNormal align=center style='text-align:center;background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><hr size=1 width="100%" align=center></span></div><div><p class=MsoNormal style='background:white'><b id="yiv0660100292yui_3_16_0_1_1414470128018_5686"><span style='font-size:10.0pt;font-family:"Helvetica","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Helvetica","sans-serif";color:black'> Ken Martindale via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br><b>To:</b> 'Personal Submersibles General Discussion' <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> <br><b>Sent:</b> Monday, October 27, 2014 1:20 PM<br><b>Subject:</b> Re: [PSUBS-MAILIST] (no subject)</span><span style='font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div></div><div id="yiv0660100292yui_3_16_0_1_1414470128018_5094"><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><br>Water is compressible, look how the submarine "Ben Franklin" did it. Water<br>is just not very compressible.<br><br>Ken Martindale<br><br>-----Original Message-----<br>From: Personal_Submersibles [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org" target="_blank" id="yiv0660100292yui_3_16_0_1_1414470128018_5430">personal_submersibles-bounces@psubs.org</a>]<br>On Behalf Of Marc de Piolenc via Personal_Submersibles<br>Sent: Sunday, October 26, 2014 8:11 PM<br>To: <a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a><br>Subject: Re: [PSUBS-MAILIST] (no subject)<br><br>Compressing water will be quite some trick.<br><br>Marc<br><br>Ducted fans: <a href="http://massflow.archivale.com/" target="_blank">http://massflow.archivale.com/ </a>Archivale catalog:<br><a href="http://www.archivale.com/catalog" target="_blank">http://www.archivale.com/catalog </a>Polymath weblog:<br><a href="http://www.archivale.com/weblog" target="_blank">http://www.archivale.com/weblog </a>Translations (ProZ profile):<br><a href="http://www.proz.com/profile/639380" target="_blank">http://www.proz.com/profile/639380</a><br>Translations (BeWords profile): <a href="http://www.bewords.com/Marc-dePiolenc" target="_blank">http://www.bewords.com/Marc-dePiolenc</a><br><br><br>On 10/26/2014 11:06 PM, Graham Bayliss via Personal_Submersibles wrote:<br>><br>> Hi Hank<br>><br>> I agree a jet drive is the way to go did you not think that a jet ski <br>> drive was to small and would only drive a small craft. I intend to <br>> build a larger jet drive and compress the water. This will be easy and <br>> add power to the system the jet drive from a jet ski would not drive a <br>> sub but I am certain I can overcome the problems by building a larger jet<br>drive and a compressor.<br>> Thank you for your input and I will keep you informed as the project <br>> un folds.<br>><br>> Graham<br>><br>> -----Original Message-----<br>> From: Personal_Submersibles <br>> [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org" target="_blank">personal_submersibles-bounces@psubs.org</a>]<br>> On Behalf Of hank pronk via Personal_Submersibles<br>> Sent: 26 October 2014 12:42<br>> To: Personal Submersibles General Discussion<br>> Subject: Re: [PSUBS-MAILIST] (no subject)<br>><br>><br>> Graham,<br>> In the world of marine jet drive it is well known that jet drive takes <br>> two times the horse power to do the same job. Jet drive is well <br>> suited to a craft that needs a shallow draft. I think you will find <br>> it very complicated to control and it will be very inefficient. I have <br>> been down this road, I love the concept but abandoned it. If you go <br>> forward may I suggest you start with a jet drive. It is not a simple <br>> part to replicate. The impeller tolerances are critical. I have a <br>> jet unit on the shelf I could donate to your project. The jet is from <br>> a jet ski. I would consider a single rear motor on a full gimbal.<br>> Hank --------------------------------------------<br>> On Sun, 10/26/14, Graham Bayliss via Personal_Submersibles <br>> <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br>><br>> Subject: [PSUBS-MAILIST] (no subject)<br>> To: "'Personal Submersibles General Discussion'"<br>> <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br>> Received: Sunday, October 26, 2014, 7:39 AM<br>><br>> #yiv9417249292<br>> #yiv9417249292 --<br>><br>> _filtered #yiv9417249292 {panose-1:2 4 5 3 5 4 6 3 2 4;}<br>> _filtered #yiv9417249292 {font-family:Calibri;panose-1:2 15<br>> 5 2 2 2 4 3 2 4;}<br>> #yiv9417249292<br>> #yiv9417249292 p.yiv9417249292MsoNormal, #yiv9417249292 <br>> li.yiv9417249292MsoNormal, #yiv9417249292 div.yiv9417249292MsoNormal<br>> {margin:0cm;margin-bottom:.0001pt;font-size:12.0pt;}<br>> #yiv9417249292 a:link, #yiv9417249292<br>> span.yiv9417249292MsoHyperlink<br>> {color:blue;text-decoration:underline;}<br>> #yiv9417249292 a:visited, #yiv9417249292 <br>> span.yiv9417249292MsoHyperlinkFollowed<br>> {color:purple;text-decoration:underline;}<br>> #yiv9417249292 span.yiv9417249292EmailStyle17<br>> {color:#1F497D;}<br>> #yiv9417249292 .yiv9417249292MsoChpDefault<br>> {}<br>> _filtered #yiv9417249292 {margin:72.0pt 72.0pt 72.0pt 72.0pt;}<br>> #yiv9417249292 div.yiv9417249292WordSection1<br>> {}<br>> #yiv9417249292 Hi I am near the end of my build of my k350 and have<br>> started to look at new designs I am interested in building a flyer <br>> sub and have come up with a design which will include a vectored <br>> motor drive this will enable my flyer to hover and stop where ever I <br>> want. I have designed a motor unit which will drive a fan type <br>> propeller as an intake this will force water to the rear of the unit<br>> where it is compressed then it is forced into ducting which will <br>> take the water to four nozzles on the side of the craft. The nozzles <br>> are able to turn three hundred and sixty degrees both side are <br>> independent of one another so rolls will be achievable. The reason <br>> for a vectored motor is you only need one motor source and one power <br>> pack this will ease the maintenance and increase the enjoyment of <br>> using your sub. I am interested in the clubs thought of this kind of <br>> design. Graham<br>><br><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><o:p></o:p></span></p></div><div><div style='margin-bottom:12.0pt'><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'> <o:p></o:p></span></p></div></div><div id=yiv0660100292yqtfd15346><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><br><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><o:p></o:p></span></p></div></div><div style='margin-bottom:12.0pt'><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'> <o:p></o:p></span></p></div></div></div></div></div></div></div></div></div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p><div id=yqt68535><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><o:p></o:p></span></p></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div></div></div></div></div></body></html>